Home / 36,004.10-54,004.32-12,628.71

Finding the Fourth Proportional to 36,004.10, 54,004.32 and 12,628.71

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Solution

The fourth proportional to 36,004.10, 54,004.32 and 12,628.71 is: 18,942.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,004.10 : 54,004.32 = 12,628.71 : x
  2. Step 2: Convert to fraction form
    36,004.10/54,004.32 = 12,628.71/x
  3. Step 3: Cross multiply
    36,004.10x = 54,004.32 × 12,628.71
  4. Step 4: Simplify right side
    36,004.10x = 682,004,896.03
  5. Step 5: Solve for x
    x = 682,004,896.03/36,004.10
  6. Step 6: Final answer
    x = 18,942.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.